Watson SHDSL Router
Operating Manual
Watson-SHDSL-Router-Manual.doc
Version 1.0-03
4.1.2 Back Panel LEDs
Each Ethernet ports on the back panel of Watson SHDSL router is fitted with 2 LEDs indicating the
status of the Ethernet interface (activity ACT and speed HS indicator):
Status LED ACT (Green) HS (Amber)
Link down Off Off
Link up, 10 Mbps, no activity On Off
Link up, 100 Mbps, no activity On On
Link up, 10 Mbps, activity Blinking Off
Link up, 100 Mbps, activity Blinking On
Table 4-2: Ethernet LED Indicators
4.2 Alarm Conditions
An alarm condition is displayed on the LEDs if one of the following conditions occurs:
Hardware or software failure
Loss of signal / frame alignment on the DSL side (LOSW)
Signal to noise ration too low (SNR =< 3dB)
Attenuation too high (Att >= 20 dB)
Refer to Table 4-1 for a description of the front panel LEDs
4-2 Revision: 2007-05-24
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